Stemonoporus oblongifolius

Botanical Overview

Stemonoporus oblongifolius is a species in the Dipterocarpaceae family. The dipterocarp family (Dipterocarpaceae) includes large tropical trees with simple, alternate leaves and prominent stipules. The fruits are nuts with two or more enlarged wing-like sepals that aid in wind dispersal. These trees dominate many Southeast Asian rainforest canopies and produce valuable timber and resins. Phytochemical data for this species are limited at present.

General Description

It is a small tree endemic to southwestern Sri Lanka. It is native to Adam’s Peak, where it is sparsely distributed in hill evergreen rain forest. The species was first described by George Henry Kendrick Thwaites in 1854.

ⓘ Information
Description adapted from Wikipedia (CC BY-SA 4.0).

Active Compounds

Phytochemical research has identified 2 compounds in this species: betulin, betulinic-acid.

Research Status

Although this species has documented phytochemical constituents, its ethnobotanical and clinical documentation remains incomplete. The limited documentation available for this species represents an opportunity for ethnobotanical research.

ⓘ Information
Information on this page is compiled from Dr. Duke’s Phytochemical and Ethnobotanical Databases (USDA ARS), a public domain resource. Consult a healthcare professional before using any herbal preparation.

Complete Chemical Inventory

CompoundFormulaMW
BETULINC₃₀H₅₀O₂442.7 Da
BETULINIC-ACIDC₃₀H₄₈O₃456.7 Da

Data from PubChem (NIH/NLM, public domain).


References & Further Reading

External Research Links

Data Sources